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Tube Database (7,341 tube types · 1,270 archive entries)

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

ZM1000 / ZM1000R

0 archive entries

ClassIndicator Tube
BaseSpecial / none

Construction

Primary TypeOther / special
Envelope
Side viewing
SectionsTen cathodes (numerals 0-9), one decimal point, one primer, one common anode

Filament / Heater

Absolute Maximum Ratings

Plate Voltage170 V
Cathode Current4.5 mA

Audio Performance

Key Features
  • Long life
  • Side viewing
  • Red contrast filter (ZM1000R only)
  • Primer for ionization without delay
  • In-line read out

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
D.C. operation170 V———2.5 mA

Application Notes

Bulb temperatures below 10°C result in a reduced life expectancy. Constant current operation is recommended for wide temperature ranges.

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